Everyone likes a warm late summer, but sometimes the transition between seasons doesn't go as ideally as you'd like. That's why the Micron 0's waterproof down, suitable for temperatures up to 18°C, ensures cosy warmth long beyond the changeable transition period. The Micron 0 is the perfect choice for trips, climbs and hikes when sub-zero temperatures are on the horizon.Down DefenderThe Marmot Down Defender is the extra insurance for all down garments and sleeping bags. This specially treated, water-resistant down provides an extra level of moisture protection for down garments and sleeping bags exposed to humid environments. Material - Outer fabric: 20D Nylon Mini Ripstop, 30D Nylon Plain Weave - Outer fabric description: 100 % Nylon - Lining material: 20D Nylon Plain Weave - Filling details: 650+ Fill Power RDS certified duck down with Down Defender - Lining material description: 100 % Nylon - Filling: duck down - Special features: Contains non-textile parts of animal origin Dimension - Body height (max.): 198 cm - Pack size in cm (L x W): 46 x 22 cm Temperature range - Extreme temperature: -42.4 °C - Comfort temperature (°C): 12.5 °C - Limit temperature: -20.4 °C Weight - Filling: 898 g - Sleeping bag: 1515 g Functions & features - Features: water-repellent Sustainability standard - Sustainability certification: Responsible Down Standard (RDS) Main information - Type: Mummy sleeping bag - Season: Three seasons - Category: Down sleeping bag - Shape: Mummy shape - Bulking capacity (cuin): 650 cuin cuin Details - Details: - Inner storage pocket and heat pocket in foot box - Main zip with anti-blocking and fold-down second zip for extra ventilation and easy access - EN-tested for reliable temperature ratingEN-tested for reliable temperature rating - Anatomically shaped footbox with wrap-around construction for added warmth - Nautilus hood with multiple baffles and drawcord - Down-filled collar - Full-length 2-way YKK zip with draught excluder for reduced heat loss.